5237786731 has 4 divisors (see below), whose sum is σ = 5237952264. Its totient is φ = 5237621200.

The previous prime is 5237786713. The next prime is 5237786767. The reversal of 5237786731 is 1376877325.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5237786731 is a prime.

It is a super-2 number, since 2×5237786731² = 54868819678879332722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5237786431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18850 + ... + 104071.

It is an arithmetic number, because the mean of its divisors is an integer number (1309488066).

Almost surely, 2^5237786731 is an apocalyptic number.

5237786731 is a deficient number, since it is larger than the sum of its proper divisors (165533).

5237786731 is a wasteful number, since it uses less digits than its factorization.

5237786731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165532.

The product of its digits is 1481760, while the sum is 49.

The square root of 5237786731 is about 72372.5550951464. Note that the first 3 decimals coincide. The cubic root of 5237786731 is about 1736.6645411234.

The spelling of 5237786731 in words is "five billion, two hundred thirty-seven million, seven hundred eighty-six thousand, seven hundred thirty-one".